Math
Two bike riders ride around a circular track, 1st rider completes one round in 12 minutes, the second rider completes a round in 16 minutes. If they start at the same time and fo in the same direction, how many turn before they meet at the same place again.May 9, 2013

Math
2500 students take a college entrance exam. The scores on the exam have an approximate normal distribution with mean u = 52 points and a standard deviation o = 11 points. Estimate the percentage of students scoring 52 points or more. ^ How would you do this?May 7, 2013

math
For 5x=0, x=0 because when you divide 0 by 5; it is x=0. The second one would be "All Real Numbers". The 3rd one would be "No solution".May 7, 2013

Algebra
Parking in a student parking lot costs 2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time a student can park for $9.00? Show your work.March 9, 2013

Algebra
In 1980 median family income was about $18,000 and in 2000 it was 40,000. (a) Find slope of line passing through points (1980, 18,000) and (2000, 40,000) (b) Interperate slope as a rate of change (c) If the trend continues, estimate the median family income in 2006.March 9, 2013

Algebra
The cost of driving a car includes both fixed ans mileage costs. Assume that it costs $152.20 per month for insurance and car payments ans $0.22 per mile for gasoline oil and routine maintenance. (a) Find value m and b so that y-mx=b modeks the monthly cost of driving the car ...March 9, 2013

Algebra
A certain nation is losing 26 million acres of rain forest each year. (a) Find the linear function f that calculates the change in acres of rain forest in millions in x years. Use x as a variable (b) find f(3) and interperate the result. f(t)= Simplify Interperate result ...March 7, 2013

Algebra
Can you explain how you got this answer please. 8.4x10^7 is the amount of people 440000 = each persons estimated worth so 4.0x10^13 is the solution or would it be plus or minus 40 trillion.March 6, 2013

Algebra
In 2000 in country A the average family net worth was $440,000 and there were about 8.4x10to the power of 7, families. Caculate the family worth in country A in 2000.March 6, 2013

Algebra
A tugboat goes 160 miles up stream in 20 hours, return trip downstream takes 5 hours. Find speed of tugboat without the current and the speed of the currentMarch 6, 2013

Algebra
The number of state and federal inmates in millions during year x was x=2002 X CAN BE APPROXIMATED BY THE FOLLOWING n=0.03X-59.02 dETERMINE THE YEAR THERE WERE 101 MILLION INMATESMarch 5, 2013

Algebra
the number of state and federal inmates in millions during year x were x more or less than 2002 can be approximated by the following. N=0.03x -59.02. Determine the year there were 1.1 million inmates.March 4, 2013

Algebra
A mountain has an elevation or 19,389 feetin 1918, the glacier at the peak covered 4 acres, by 2003 this glacier had melted to 1 acre. What was the yearly rate of change. What is the equation that gives the acreage t years after 1918March 4, 2013

Pre Algebra
A wooden railing is 82 feet long. It is to be divided into 4 pieces. Three pieces will be the same length, and the fourth piece will be 2 feet longer than each of the other three. Find the length of each piece.February 18, 2013

Chemistry
Hi, i am stuck on this question, how do I go about answering it? why are fluorine atoms normally found as part of fluorine molecules?November 20, 2012

geography
what factors account for the similarities and differences between the subdivisions in tropical climate zones?September 9, 2012

math
My algebra question is; The ordered pair (3,0) is found? I don't have a clue. Can you help please? Thank you, RuthAugust 30, 2012

Math
Tanker boats cannot be in the bay when the depth of water is less or equal to 25 feet. Set up an inequality and solve it graphically to determine all points in time, t, on the interval 0 less than or equal to t less than or equal to 24 when tankers cannot be in the bay. Round ...August 22, 2012

Econ/stats
The following data represent the number of flash drives sold per day at a local computer shop and their prices. Price (x) Units Sold (y) $34 3 36 4 32 6 35 5 30 9 38 2 40 1 a. Develop a least-squares regression line and explain what the slope of the line indicates. b. Compute ...April 29, 2012

Econ/stats
The following data represent the number of flash drives sold per day at a local computer shop and their prices. Price (x) Units Sold (y) $34 3 36 4 32 6 35 5 30 9 38 2 40 1 a. Develop a least-squares regression line and explain what the slope of the line indicates. b. Compute ...April 29, 2012

assessment
When scoring the MMPI 2, how can you intrepret it and what is the diagnosis according to Axis II. The scores are as follow: ?= 13 L = 3 F=19 k=8 hS=14 d=30 hY=32 pD=24 Mf=37 Pa=12 Pt=25 Sc=21 Ma=22 Si=32 Pleae forward results/intrepretationApril 24, 2012

accounting
examples from the manufacturing industry of: o a journal entry that would be recorded that impacts the balance sheetApril 23, 2012

math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 169 pounds. What is the probability that a single, randomly selected piece ...March 14, 2012

Physics
Why would you get an e3lectric shock if you flew a kite close to the electricity wires?March 13, 2012

Physics
Why would you get an e3lectric shock if you flew a kite close to the electricity wires?March 13, 2012

chemistry
Discuss possible solutions to the reduced supply of light sweet crude oil. I have no idea to answer this question. Please advise me on how to answer it. Thanks in advanceMarch 13, 2012

chemistry
Fuel oil and bitumen is 38% in demand Petrol and Naptha is 27% in demand Diesel is 23% in demand. A question asks: Why are these fractions in demand? I am not sure how to answer this questions and please advise me to how to answer this question. Thanks in advanceMarch 10, 2012

Physics
A = 145 rock is hoisted upward with an acceleration of 1.46 by a vertical chain of negligible weight. What is the free body diagram?February 13, 2012

Math
You will need the following info to solve the problem: You can cover a sheet of paper with 6 $100 bills There are 500 sheets of paper in 1 ream There are 10 reams in 1 carton Imagine that you have inherited $1 million . The bank has only $700,000 in $100 bill. The bank gives ...February 3, 2012

Finance
You will need the following info to solve the problem: You can cover a sheet of paper with 6 $100 bills There are 500 sheets of paper in 1 ream There are 10 reams in 1 carton Imagine that you have inherited $1 million . The bank has only $700,000 in $100 bill. The bank gives ...February 3, 2012

algebra
The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by nt n r P A ÊË É º» ¹ ­ 1y A is the amount of the...February 2, 2012

Algebra
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the test, t = 0? S(t) =...February 1, 2012

College Algebra
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ¡Ý 0. 1.describe the meaning of the number -.1 in the formula 2.describe the meaning of the number -300 in the formula 3.find the ...January 29, 2012

Reading
im guessing scared of the hospital room or the people in it the doctors or even the other patients in room .January 11, 2012

Reading
1. "bedside terror" is a play on the common phrase "beside manner", which is used to describe how well doctors relate to their patients. what is the effect of replacing the word manner with terror?January 11, 2012

physics
A man of mass 67.1 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 24.6 kg and is 3.6 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the scaffold. What is ...November 15, 2011

English
Thank you. It is an exam, so i am just filling in my planning grid and writing draft paragraphs.November 13, 2011

English
My task is to write a persuasive article for my chool website about an issue related to school meals. My title is 'Unhealthy heaven' My sub-heading is 'Those hungry humans crave for tasty foods. What will it be?' My introduction's main point is that ' ...November 13, 2011

PHYSIC
1)What must be the orbital speed of a satellite in a circular orbit 740 above the surface of the earth? 2)What is the period of revolution of a satellite with mass that orbits the earth in a circular path of radius 8000 (about 1630 above the surface of the earth)?November 8, 2011

French
Bonjour! I have to find synonyms for the word Fantastique the synonyms should begin with g .... t... b... s... ThanksNovember 7, 2011

Science-Biology
To note: all three are blond, ellie's eyes are brown, her brothers are blue. Ellie's father is homozygous for eye colour but her mother is heterozygous. She passed a 'blue eye' gene to the boys and a 'brown eye' gene to Ellie. Brown hair is dominant ...November 5, 2011

Biology
I have written an answer for the question below. Why do Ellie and her brothers resemble her parents? Explain how genetic information passes from parents to their offspring. Please check if i have included all the scientific words and if i have explained how genetic information...November 5, 2011

writing sentences and paragraphs
sorry but for the extras this is the final draft I am a student at Penn-Foster studying Medical billing and Coding looking to enhance my career. And eventually own my personal business in processing claims. Your job posting caught my interest and fits my job description as a ...November 1, 2011

writing sentences and paragraphs
I am a student at Penn-Foster studying Medical billing and Coding looking to enhance my career and eventually own a business in processing claims. Your job posting caught my interest and fits my job description as a claims processing specialist at the Georgetown University ...November 1, 2011

writing sentences and paragraphs
ok thank you i revised it I am a student at Penn-Foster studying Medical billing and Coding looking to enhance my career and eventually own a business in processing claims. Your job posting caught my interest and fits my job description as a claims processing specialist at the...November 1, 2011

writing sentences and paragraphs
need your Opinion please before submitting assignment Background Youve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing ...November 1, 2011

French
Thank you Math Mate and Sra for the corrections. Sra, Thank you so much for taking the time to look at my work! You are a great teacher and I really appreciate it! Thank you Thank you Thank you Thank you All the BestOctober 27, 2011

French
Thanks. What do you mean when you say 'put an extra word in there' ? I decided to use Mes amis, it sounds better, can i still use Elles? The marriage sentence looks fine.. i don't know what i was on about! Now the text! Bonjour, Romana, Je m'appelle Ruth. J...October 27, 2011

French
Thanks. What do you mean when you say 'put an extra word in there' ? I decided to use Mes amis, it sounds better, can i still use Elles? The marriage sentence looks fine.. i don't know what i was on about! Now the text! Bonjour, Romana, Je m'appelle Ruth. J...October 26, 2011

French
I am posting just the CORRECTIONS! Can the corrections be put immediately after the error as you said, thanks. When you use (...) and etc do you mean the rest of the sentence is right? Could you please give an example of where a semi-colon could be used in my text. Jai ...October 26, 2011

English
I love avocados! but they are healthy so i couldn't really persuade it to be in room 101. I have already written about hamburgers? i need two more foods?October 26, 2011

English
Could anyone suggest a food that could go in Room 101. Room 101 is a room where you put all the foods you hate. I have been assigned to write a persuasive text on why i want this food to be put in room 101 and why. Kindly suggest a food that people generally like but it's ...October 26, 2011

French
thank you so much for taking so much time into helping me have a perfect french essay! I have done the corrections you have told me to do. If i have left something out please state. Could you please go through the essay and make sure the lanuage, grammar etc are all perfect ...October 26, 2011

French
Hi Sra, Concerning the French text I don't know how to rewrite the text with all the corrections and English I want to say without it being confusing, could you please suggest a way?October 26, 2011

French
I don't know how to rewrite the text with all the corrections and English I want to say without it being confusing, could you please suggest a way?October 25, 2011

French
Thank you so much for your help so far Sra! Highly appreciated! This might get confusing! I hope it wont! Key: ' ' - corrections { } - The parts you do not understand ( ) - what i want to say(in english) to replace the parts you do not understand. Hope this helps ::) ...October 25, 2011

French
Thank you so much for your help so far Sra! Highly appreciated! This might get confusing! I hope it wont! Key: ' ' - corrections { } - The parts you do not understand ( ) - what i want to say(in english) to replace the parts you do not understand. Hope this helps ::) ...October 25, 2011

French
My homework task is to write an introductory email to my french exchange partener about:yourself, how you get on with your family, what your views on marriage are, a descrition of your best friend(s), what you did yesterday and what your plans for the weekend are? I have ...October 25, 2011

PYSICS
The upward normal force exerted by the floor is 600 N on an elevator passenger who weighs 610 N. What is the reaction force to the upward normal force exerted by the floor? What is the reaction force to weight of the passenger? What is the magnitude of the acceleration?October 19, 2011

physics
Superman throws a boulder of weight 3800 N at an adversary. What horizontal force must apply to the boulder to give it a horizontal acceleration of 13.5 m/s^2?October 19, 2011

physics
Suppose a person weighs 160 pounds on Earth. How much would that person weigh on a planet that was three times as massive as Earth and had a radius that was twice that of Earth's?September 29, 2011

algebra
i think you are wrong because my homework is online its a program and it says that you get y=-7/12 which i am really confused with this part i have done like three problems back to back and i still get this part worngSeptember 29, 2011